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Finding the Fourth Proportional to 84,737.72, 116,941.71 and 50,751.74

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Solution

The fourth proportional to 84,737.72, 116,941.71 and 50,751.74 is: 70,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.72 : 116,941.71 = 50,751.74 : x
  2. Step 2: Convert to fraction form
    84,737.72/116,941.71 = 50,751.74/x
  3. Step 3: Cross multiply
    84,737.72x = 116,941.71 × 50,751.74
  4. Step 4: Simplify right side
    84,737.72x = 5,934,995,261.08
  5. Step 5: Solve for x
    x = 5,934,995,261.08/84,737.72
  6. Step 6: Final answer
    x = 70,039.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.